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Author Topic:   OEM Breakers on 2005 Montauk 170
swist posted 06-14-2011 04:22 PM ET (US)   Profile for swist   Send Email to swist  
After 6 years, I had to replace both the 30A (main) and 5A (bilge) circuit breakers mounted in the little black box on the floor of the inside of the console. Erratic operation- false trips, can't reset, etc.

Since I tend to disassemble failed components out of curiosity, I was surprised to see that these breakers (made by "ETA") weren't air/watertight - they popped open easily and indeed the components inside were corroded.

Seems like poor design for a marine component that's installed in an enclosed area easily subjected to dampness.

The front panel breakers are the same brand, but they are up higher and partially exposed to the outside (warmer, drier) air. But now I'm thinking I ought to replace those before they go too.

Is there a more robust version of these simple push botton breakers available, and has anyone else run into this problem?

jimh posted 06-16-2011 04:29 PM ET (US)     Profile for jimh  Send Email to jimh     
Look at the circuit breakers from Blue Sea Systems. I believe that many boat builders are now using Blue Sea Systems circuit breakers, particularly the 50-Ampere circuit breaker with wiring stud terminals which is perfect as the over-current protection in the secondary power distribution main feed.
swist posted 06-17-2011 10:58 AM ET (US)     Profile for swist  Send Email to swist     
Thanks, And very good, detailed information on their website.

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